/* Phase 2 navigation/workflow. EX02 selection glide; EX03 grouped reveal. Shared brand palette, no new art. */
main#main { background: linear-gradient(180deg, var(--sc-low), transparent 260px), var(--surface); }
main#main::before { display: none; }
.topbar { box-shadow: 0 1px 0 var(--outline-var), 0 8px 24px -24px var(--on-var); }
.rail { border-right: 1px solid var(--outline-var); background: var(--sc-low); box-shadow: none; padding: 24px 14px; }
.who { padding: 4px 12px 20px; margin-bottom: 18px; border-bottom: 1px solid var(--outline-var); }
.who-name { font-size: 15px; font-weight: 650; }
.who-role { margin-top: 5px; font-size: 12px; line-height: 1.7; }
.workspace-navigation { display: grid; gap: 22px; }
.nav-directory-button { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 46px; padding: 8px 12px; background: var(--surface); border: 1px solid var(--outline-var); border-radius: 9px; cursor: pointer; text-align: left; box-shadow: 0 2px 0 color-mix(in srgb, var(--outline-var) 40%, transparent); }
.nav-directory-button kbd { margin-left: auto; color: var(--on-var); font: inherit; font-size: 11px; }
.nav-directory-button .native-nav-icon { width: 18px; height: 18px; flex: none; }
.nav-primary { position: relative; isolation: isolate; }
.nav-home, .nav-area-button { position: relative; display: flex; align-items: center; gap: 12px; width: 100%; min-height: 48px; padding: 10px 12px; border: 0; border-radius: 10px; background: transparent; color: var(--on); text-align: left; cursor: pointer; }
.nav-home { min-height: 48px; font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.nav-area-button > .native-nav-icon, .nav-home > .native-nav-icon { flex: none; width: 21px; height: 21px; opacity: .8; }
.nav-area-copy { min-width: 0; flex: 1; display: grid; gap: 2px; font-size: 15px; font-weight: 600; }
.nav-toggle-mark { position:relative;flex:none;width:20px;height:20px;border:1px solid var(--outline-var);border-radius:6px;color:var(--on-var);background:color-mix(in srgb,white 50%,transparent); }
.nav-toggle-mark::before,.nav-toggle-mark::after { content:'';position:absolute;left:5px;right:5px;top:8px;height:1px;background:currentColor;transition:transform 180ms ease,opacity 180ms ease; }
.nav-toggle-mark::after { transform:rotate(90deg); }
.nav-area-button[aria-expanded="true"] .nav-toggle-mark::after { transform:rotate(90deg) scaleX(0);opacity:0; }
.nav-area-button[data-selected="true"] { color: var(--brand-text); }
.nav-fold { display: grid; grid-template-rows: 0fr; opacity: 0; visibility: hidden; transition: grid-template-rows 280ms cubic-bezier(.16,1,.3,1), opacity 200ms ease, visibility 0s 280ms; }
.nav-fold[data-open="true"] { grid-template-rows: 1fr; opacity: 1; visibility: visible; transition-delay: 0s; }
.nav-fold-inner { min-height: 0; overflow: hidden; }
.nav-section { padding: 12px 0 4px 16px; margin-left: 20px; border-left: 1px solid var(--outline-var); }
.nav-section > p { font-size: 11px; color: var(--on-var); margin: 0 0 5px 10px; }
.nav-section .nav-item { font-size: 13px; font-weight: 400; padding: 10px 12px; min-height: 44px; border-radius: 9px; }
.nav-group-button { display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;border:0;background:transparent;color:var(--on-var);padding:8px 10px;text-align:start;font:inherit;font-size:13px;cursor:pointer; }
.nav-group-button[aria-expanded=true] { color:var(--on);font-weight:650; }
.nav-group-entries { margin-inline-start:8px;padding-inline-start:6px;border-inline-start:1px solid var(--outline-var); }
.nav-group-entries[hidden] { display:none; }
.directory-search-result { display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--outline-var); }
.directory-search-result > a { flex:1;min-width:0; }
.directory-search-result > span { color:var(--on-var);font-size:12px; }
.dialog:has(.nav-directory) { width:min(760px,calc(100vw - 32px)); }
main:has(.configuration-workspace) > .workspace-context { display:none; }
main:has(.activity-workspace,.task-workspace.has-detail,.approval-workspace.has-detail) > .workspace-context { display:none; }
@media(min-width:900px) {
  .workspace-context .context-siblings { display:none; }
  main > .workspace-context { margin-bottom:12px; }
}
.nav-section .nav-item.on { color: var(--brand-text); background: var(--brand-container); font-weight: 600; }
.nav-utilities { display: grid; gap: 4px; padding: 14px 4px 0; border-top: 1px solid var(--outline-var); }
.nav-utilities .nav-item { font-size: 13px; min-height: 42px; border-radius: 8px; }

/* A single measured selection surface rather than independent flashing pills. */
.selection-motion { position: relative; isolation: isolate; }
.selection-marker { position: absolute; top: 0; left: 0; pointer-events: none; z-index: -1; border-radius: 8px; background: var(--sc-high); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--outline-var) 65%, transparent), 0 2px 4px -3px var(--on-var); }
[data-marker-ready="true"] > .selection-marker { transition: transform 360ms cubic-bezier(.65,0,.35,1), width 360ms cubic-bezier(.65,0,.35,1), height 280ms cubic-bezier(.16,1,.3,1); }
.nav-primary > .selection-marker { background: var(--surface); border-left: 3px solid var(--brand); border-radius: 4px 10px 10px 4px; box-shadow: 0 1px 3px -2px var(--on-var), 0 6px 18px -15px var(--on-var); }
.chips.selection-motion .chip.on, .native-today .chips.selection-motion .chip.on { background: transparent; color: var(--on); }
.chips.selection-motion > .selection-marker { border-radius: var(--r-chip); background: var(--sc-high); }
.activity-tabs.selection-motion a[aria-current="page"] { background: transparent; }
.selection-motion > :not(.selection-marker) { position: relative; }

.workspace-context { max-width: 1280px; margin: 0 auto 24px; min-width: 0; }
.context-location { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--on-var); font-size: 12px; margin-bottom: 12px; }
.context-area { border: 0; padding: 4px 0; color: var(--on); background: transparent; font-weight: 600; cursor: pointer; }
.context-separator { color: var(--outline); }
.context-detail { max-width: min(100%, 44ch); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.context-detail:not([hidden])::before { content: '/'; margin-right: 10px; color: var(--outline); }
.context-siblings { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; padding: 5px; border: 1px solid var(--outline-var); background: color-mix(in srgb, var(--sc-low) 70%, var(--surface)); border-radius: 11px; }
.context-siblings > a { padding: 9px 14px; min-height: 40px; color: var(--on-var); font-size: 13px; }
.context-siblings > a[aria-current="page"] { color: var(--on); font-weight: 650; }
.context-siblings .selection-marker { background: var(--surface); box-shadow: 0 2px 5px -3px var(--on-var), inset 0 0 0 1px var(--outline-var); }
.nav-directory { display: grid; gap: 14px; }
.nav-directory-results { display: grid; gap: 20px; }
.nav-directory-results h3 { font-size: 16px; font-weight: 650; margin-bottom: 8px; }
.nav-directory-results section > div { margin-top: 12px; }
.directory-entry { display: inline-flex; align-items: center; gap:12px;min-height: 44px; padding: 10px 15px; margin:0 10px 10px 0; color: var(--on); border:1px solid var(--outline-var);border-radius:9px;background:color-mix(in srgb,white 50%,var(--sc-low));transition:background .2s,border-color .2s,box-shadow .2s;text-decoration:none!important }
.directory-entry::after { content:''; width:6px;height:6px;border-radius:50%;border:1px solid var(--accent);flex-shrink:0;transition:background .2s }
@media(hover:hover) and (pointer:fine){.directory-entry:hover{background:var(--accent-container);border-color:color-mix(in srgb,var(--accent) 45%,var(--outline-var));box-shadow:0 5px 12px -10px var(--on)}.directory-entry:hover::after{background:var(--accent)}}
.nav-result-count { color: var(--on-var); font-size: 12px; }
.dialog:has(.nav-directory) { width: min(760px, calc(100vw - 32px)); background: var(--surface); }

/* Working desk: typography, paper edges and index-like lists rather than a wall of equal cards. */
.native-today .native-mascot-banner { background: var(--surface); border-radius: 8px 22px 22px 8px; border-left: 3px solid var(--dept-accent); padding: 24px 30px; box-shadow: 0 3px 0 -1px var(--sc), 0 4px 0 -1px var(--outline-var), 0 18px 30px -28px var(--on-var); }
.native-today .native-wing-arc { opacity: calc(var(--wing-alpha) * .45); }
.native-today .native-headline { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; font-size: calc(24px * var(--type-scale, 1)); line-height: 1.15; }
.today-number { font-family: Georgia, "Songti SC", serif; font-size: calc(clamp(48px, 5vw, 66px) * var(--type-scale, 1)); font-weight: 400; color: var(--on); line-height: 1; letter-spacing: -.06em; }
.today-headline-label { font-weight: 500; }
.native-today-group[data-group="confirm"], .native-today-group[data-group="decide"] { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.native-today-group > h2 { font-size: calc(17px * var(--type-scale, 1)); }
.native-today-group > h2::before { height: 2px; width: 18px; border-radius: 0; background: var(--on-var); }
.native-today-group .row { border-radius: 10px; }
.native-today-group[data-group="confirm"] .row, .native-today-group[data-group="decide"] .row { background: var(--surface); border: 1px solid var(--outline-var); box-shadow: 0 3px 0 -1px var(--sc-low), 0 4px 0 -1px var(--outline-var), 0 10px 25px -25px var(--on); }
.native-today-group[data-group="decide"] .row { border-left: 3px solid color-mix(in srgb, var(--brand) 60%, var(--outline-var)); }
.native-today-group[data-group="today"] .row, .native-today-group[data-group="last_year"] .row { padding: 18px 4px; border: 0; border-bottom: 1px solid var(--outline-var); border-radius: 0; background: transparent; box-shadow: none; }
.today-mood { background: color-mix(in srgb, var(--accent-container) 20%, var(--surface)); border-radius: 16px 16px 5px 5px; box-shadow: 0 3px 0 -1px var(--sc), 0 4px 0 -1px var(--outline-var); }
.today-work-map { border-top: 1px solid var(--outline); padding: 20px 2px 0; }
.today-work-map > h2 { font-size: 16px; font-weight: 650; margin-bottom: 6px; }
.today-route { padding: 16px 0; border-bottom: 1px solid var(--outline-var); }
.today-route h3 { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.today-route > div { display: flex; flex-wrap: wrap; gap: 0 12px; }
.today-route a { min-height: 36px; display: inline-flex; align-items: center; color: var(--on-var); font-size: 12px; }
.activity-card { border-radius: 12px; background: var(--surface); padding: 22px; box-shadow: 0 3px 0 -1px var(--sc-low), 0 4px 0 -1px var(--outline-var); transition: transform 220ms ease, box-shadow 220ms ease; }
.activity-card img { border-radius: 6px; }
.activity-card h2 { font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 600; }

@media (hover: hover) and (pointer: fine) {
  .nav-area-button:hover, .nav-home:hover { background: color-mix(in srgb, var(--sc-high) 45%, transparent); }
  .context-siblings > a:hover { color: var(--on); background: color-mix(in srgb, var(--sc-high) 40%, transparent); border-radius: 7px; }
  .directory-entry:hover, .today-route a:hover { color: var(--brand-text); text-decoration: none; }
  .activity-card:hover { background: var(--surface); transform: translateY(-3px); box-shadow: 0 12px 30px -23px var(--on-var); }
}
@media (min-width: 1100px) {
  .activity-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .activity-card:first-child:has(img) { grid-column: 1 / -1; grid-template-columns: minmax(220px, .8fr) 1fr; column-gap: 28px; }
  .activity-card:first-child:has(img) > img { grid-row: 1 / span 5; height: 100%; max-height: 260px; min-height: 200px; }
}
@media (max-width: 899px) {
  .rail { padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
  .nav-directory-button small { font-size: 11px; }
  .nav-section .nav-item { min-height: 44px; }
  .workspace-context { margin-bottom: 20px; }
  .context-location { margin-bottom: 6px; }
  .context-siblings { flex-wrap: nowrap; overflow-x: auto; gap: 4px; scrollbar-width: thin; overscroll-behavior-inline: contain; }
  .context-siblings > a { flex: none; padding: 10px 12px; min-height: 44px; font-size: 13px; white-space: nowrap; }
}
@media (max-width: 699px) {
  .native-today .native-mascot-banner { padding: 22px 18px; }
  .native-today .native-headline { font-size: calc(19px * var(--type-scale, 1)); }
  .native-today .native-banner-art { width: 66px; height: 82px; }
  .native-today .native-today-group[data-group] { padding: 0; }
}
@media (max-width: 480px) {
  .topbar { gap: 6px; padding-inline: 10px; }
  .topbar .brand-mark { width: 32px; height: 28px; }
  .topbar > .icon-btn[title="Ctrl+K"] { display: none; } /* Search stays in the five-entry bottom navigation. */
  .space-select { flex: 0 0 96px; width: 96px; max-width: 96px; font-size: 12px; padding-inline: 10px; }
}
:root[data-motion="off"] .selection-marker, :root[data-motion="gentle"] .selection-marker { transition: none !important; }
@media (prefers-reduced-motion: reduce) { .selection-marker, .nav-fold, .nav-toggle-mark::before, .nav-toggle-mark::after { transition: none !important; } }
@media (forced-colors: active) {
  .selection-marker { background: Highlight; border: 1px solid Highlight; box-shadow: none; }
  .nav-area-button[data-selected="true"], .context-siblings a[aria-current="page"], .chips .chip[aria-selected="true"] { outline: 2px solid Highlight; }
  .today-number { color: CanvasText; }
}